12426233187420 has 144 divisors (see below), whose sum is σ = 41106189720960. Its totient is φ = 3020046501888.

The previous prime is 12426233187419. The next prime is 12426233187421. The reversal of 12426233187420 is 2478133262421.

12426233187420 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 623 + 3 + 18 + 7 + 4 + 2 + 0 = 666.

12426233187420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12426233187419) and next prime (12426233187421).

It is a super-2 number, since 2×12426233187420² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426233187421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33424989 + ... + 33794708.

It is an arithmetic number, because the mean of its divisors is an integer number (285459650840).

Almost surely, 2^{12426233187420} is an apocalyptic number.

12426233187420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12426233187420 is an abundant number, since it is smaller than the sum of its proper divisors (28679956533540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12426233187420 is a wasteful number, since it uses less digits than its factorization.

12426233187420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67219804 (or 67219799 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 12426233187420 in words is "twelve trillion, four hundred twenty-six billion, two hundred thirty-three million, one hundred eighty-seven thousand, four hundred twenty".